1/* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16#include "setcpusamplinginterval_fuzzer.h" 17 18#include "ecmascript/base/string_helper.h" 19#include "ecmascript/napi/include/jsnapi.h" 20#include "ecmascript/napi/include/dfx_jsnapi.h" 21 22using namespace panda; 23using namespace panda::ecmascript; 24 25namespace OHOS { 26 void SetCpuSamplingIntervalFuzzTest(const uint8_t* data, size_t size) 27 { 28 RuntimeOption option; 29 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR); 30 EcmaVM *vm = JSNApi::CreateJSVM(option); 31 if (size <= 0) { 32 return; 33 } 34 int key = 0; 35 size_t maxByteLen = 4; 36 if (size > maxByteLen) { 37 size = maxByteLen; 38 } 39 if (memcpy_s(&key, maxByteLen, data, size) != EOK) { 40 std::cout << "memcpy_s failed!"; 41 UNREACHABLE(); 42 } 43 if (key <= 0 || key > 1024) { // 1024 : 1M in size 44 key = 1024; // 1024 : 1M in size 45 } 46 DFXJSNApi::SetCpuSamplingInterval(vm, key); 47 DFXJSNApi::StopCpuProfilerForFile(vm); 48 JSNApi::DestroyJSVM(vm); 49 } 50} 51 52// Fuzzer entry point. 53extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) 54{ 55 // Run your code on data. 56 OHOS::SetCpuSamplingIntervalFuzzTest(data, size); 57 return 0; 58}